| Patents for H04L 27 - Modulated-carrier systems (89,721) |
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| 04/14/2005 | CA2535124A1 Determination of gain factors for wireless communication power |
| 04/13/2005 | EP1523146A2 Method for synchronization of a circuit on reception of a modulated signal |
| 04/13/2005 | EP1523145A2 Detection of the presence or absence of an ARI signal. |
| 04/13/2005 | EP1523144A2 Method and circuit arrangement to decide a symbol in the complex phase space of a quadrature modulation method |
| 04/13/2005 | EP1523143A1 Receiving apparatus in OFDM transmission system |
| 04/13/2005 | EP1523125A2 Transmission of data between a central device and a plurality of remote devices |
| 04/13/2005 | EP1523124A2 Transmission of data between a central device and a plurality of remote devices |
| 04/13/2005 | EP1523123A2 Data transmission between a central device and a plurality of remote devices |
| 04/13/2005 | EP1523122A2 Data transmission between a central device and a plurality of remote devices |
| 04/13/2005 | EP1523116A2 System and method for transmitting auxiliary information on a subcarrier of a broadcast transmission |
| 04/13/2005 | EP1523103A1 Coherent averaging for measuring traveling wave tube amplifier nonlinearity |
| 04/13/2005 | EP1523099A1 Multi-dimensional space gray maps for multi-dimensional phase modulation as applied to LDPC (low density parity check) coded modulation |
| 04/13/2005 | EP1522177A1 Carrier wave modulation using pulse position modulation |
| 04/13/2005 | EP1522153A1 A system and method for adjusting a power level of a transmission signal |
| 04/13/2005 | EP1522151A2 System and method for a direct conversion multi-carrier processor |
| 04/13/2005 | EP1434381A9 Link adaptation process |
| 04/13/2005 | EP1314288A4 Constrained-envelope transmitter and method therefor |
| 04/13/2005 | EP1198938A4 Fading resistant multi-level qam receiver |
| 04/13/2005 | EP1142250B1 Power i-q modulation systems and methods using predistortion circuit |
| 04/13/2005 | EP1135909B1 Systems and methods for receiving a modulated signal containing encoded and unencoded bits using multi-pass demodulation |
| 04/13/2005 | EP0875096B1 Method and circuit arrangement for reducing offset voltage of a signal |
| 04/13/2005 | EP0834997B1 High-frequency signal receiver |
| 04/13/2005 | CN2692917Y Multiple circuit safety digital mixer system |
| 04/13/2005 | CN1606863A High-performance micro-filter and decollator |
| 04/13/2005 | CN1606857A Method and system for transferring ip packets by aggregating multiple wireless communication channels for high data rate transfers |
| 04/13/2005 | CN1606853A Method and apparatus for receiving and deshuffling shuffled data |
| 04/13/2005 | CN1606834A Method and apparatus for determining power allocation in a MIMO communication system |
| 04/13/2005 | CN1606826A Radio-frequency signal frequency conversion device for a low power RF receiver |
| 04/13/2005 | CN1606700A Method and apparatus for signal receipt and acquisition |
| 04/13/2005 | CN1606299A Apparatus, method and program for correcting common phase error of OFDM signal symbols |
| 04/13/2005 | CN1606298A Method for implementing full digital wireless communication system using fast Fourier transform |
| 04/13/2005 | CN1606297A United iteration detecting method for coded GMSK signal |
| 04/13/2005 | CN1606232A Signal transmission apparatus and method |
| 04/13/2005 | CN1197319C Multi-carrier individual access communication system |
| 04/13/2005 | CN1197318C Center-of-gravity control for hierarchical QAM transmission systems |
| 04/13/2005 | CN1197317C Power control scheme for maximizing carrier signal-to-noise ratio in multicarrier transmitters |
| 04/13/2005 | CN1197316C Blind carrier offset detection for quadrature modulated digital communication systems |
| 04/13/2005 | CN1197315C Method for frequency acquisition, especially for initial frequency acquisition, of mobile communications device |
| 04/13/2005 | CN1197312C Optimized synchronous prestructure |
| 04/13/2005 | CN1197290C Programmable synchronization unit for signal receiver |
| 04/13/2005 | CN1197289C Scalable pattern method for multi-carrier comunication systems |
| 04/13/2005 | CN1197267C Demultiplexer for channel interleaving |
| 04/13/2005 | CN1197249C Sigma Delta modulator-controlled phase-locked-loop circuit and associated method |
| 04/12/2005 | US6879815 Apparatus for extracting a carrier frequency |
| 04/12/2005 | US6879649 Receiver and method for digital transmission in a wireless communication network |
| 04/12/2005 | US6879647 Radio receiver AM-MSK processing techniques |
| 04/12/2005 | US6879646 Quadrature amplitude modulation demodulator and receiver |
| 04/12/2005 | US6879642 Method of clipping signal amplitudes in a modulation system |
| 04/12/2005 | US6879641 Transmit pre-equalization in a modem environment |
| 04/12/2005 | US6879640 Method, apparatus and system for high-speed transmission on fiber optic channel |
| 04/12/2005 | US6879638 Method and apparatus for providing communication between electronic devices |
| 04/12/2005 | US6879627 Variable rate continuous mode satellite modem |
| 04/12/2005 | US6879626 Transmission/reception apparatus and modulation system estimation method |
| 04/12/2005 | CA2361422C Timing reproducing device and demodulator |
| 04/12/2005 | CA2338411C Vsb/qam receiver and method |
| 04/12/2005 | CA2103299C Frequency offset estimation using the phase rotation of channel estimates |
| 04/07/2005 | WO2005032159A2 Method and apparatus for performing modulation/demodulation in a wireless communication system |
| 04/07/2005 | WO2005032087A1 Apparatus and method for digitally implementing a wideband multicarrier |
| 04/07/2005 | WO2005032085A1 Computation of soft bits for a turbo decoder in a communication receiver |
| 04/07/2005 | WO2005032035A1 Hierarchical coding with multiple antennas in a wireless communication system |
| 04/07/2005 | WO2005032021A1 Radio transmission device, radio reception device, and radio transmission method |
| 04/07/2005 | WO2005032020A1 Radio communication apparatus and peak suppressing method |
| 04/07/2005 | WO2005032004A1 Apparatus and method for transmitting/receiving an uplink pilot signal in a communication system using an orthogonal frequency division multiple access scheme |
| 04/07/2005 | WO2005006574A3 Method, apparatus and system for use in determining pilot-to-data power ratio in wireless communication |
| 04/07/2005 | WO2004102818A3 Integer cycle frequency hopping modulation for the radio frequency transmission of high speed data |
| 04/07/2005 | WO2004073182A3 Clipping distortion canceller for ofdm signals |
| 04/07/2005 | WO2004070952A3 Robust mode staggercasting without artifacts |
| 04/07/2005 | WO2003107614A8 System and method for applying transmit windowing in adsl+ networks |
| 04/07/2005 | US20050076072 Symbol points estimating device, method and program, recording medium on which the program is recorded, and modulation analyzing device |
| 04/07/2005 | US20050075103 Communication quality estimation method, communication quality estimation apparatus, and communication system |
| 04/07/2005 | US20050075088 Wireless communication semiconductor integrated circuit device and wireless communication system |
| 04/07/2005 | US20050075087 Frequency converter, orthogonal demodulator and orthogonal modulator |
| 04/07/2005 | US20050075078 Adaptive point-to-point microwave radio system |
| 04/07/2005 | US20050074245 Differential encoder for an optical dqpsk modulator |
| 04/07/2005 | US20050074082 Data-directed frequency-and-phase lock loop for decoding an offset-QAM modulated signal having a pilot |
| 04/07/2005 | US20050074079 RFI canceller |
| 04/07/2005 | US20050074078 Maximum likelihood bit synchronizer and data detector |
| 04/07/2005 | US20050074077 Communication breaking device and method thereof |
| 04/07/2005 | US20050074073 Direct digital amplitude modulator |
| 04/07/2005 | US20050074071 Method and apparatus for diversity combining and co-channel interference suppression |
| 04/07/2005 | US20050074070 System and method for adapting to a change in constellation density while receiving a signal |
| 04/07/2005 | US20050074069 VSB transmission system |
| 04/07/2005 | US20050074068 Coded modulation for partially coherent systems |
| 04/07/2005 | US20050074067 System and method for an adaptive receiver for the reception of signals subject to multipath interference |
| 04/07/2005 | US20050074052 Method and apparatus for generating noise-added signal |
| 04/07/2005 | US20050074036 Sync bursts for frequency offset compensation |
| 04/07/2005 | US20050073949 OFDM signal receiving apparatus and OFDM signal receiving method |
| 04/07/2005 | US20050073948 Orthogonal frequency division multiplexing wireless communication operable on frequency selective channel, and channel compensation method |
| 04/07/2005 | US20050073947 Channel estimator for a receiver and method of operation thereof |
| 04/07/2005 | US20050073946 Transmitter and receiver for use with an orthogonal frequency division multiplexing system |
| 04/07/2005 | US20050073945 System and method for data scrambling to reduce the crest factor in an OFDM waveform |
| 04/07/2005 | US20050073944 Demodulation with separate branches for phase and amplitude |
| 04/07/2005 | US20050073369 Phase-locked loop bandwidth calibration circuit and method thereof |
| 04/07/2005 | US20050073361 Distortion compensator |
| 04/07/2005 | US20050073360 Architecture and implementation methods of digital predistortion circuitry |
| 04/07/2005 | DE10342193B3 Verfahren zur Rekonstruktion von Nulldurchgangsinformation von verrauschten winkelmodulierten Signalen nach einer Limiter-Diskriminator-Signalverarbeitung The process for reconstruction of zero crossing information from the noisy angle-modulated signals according to a limiter-discriminator signal processing |
| 04/06/2005 | EP1521416A2 Predistortion for translational loop RF transmitters |
| 04/06/2005 | EP1521415A2 Apparatus and method for transmitting / receiving an uplink pilot signal in a communication system using an orthogonal frequency division multiple access scheme |
| 04/06/2005 | EP1521413A2 Multicarrier reception with channel estimation and equalisation |
| 04/06/2005 | EP1521389A2 Methods and devices for mapping and for demapping data to and from subcarriers of multicarrier system |